Method GenBashCompletion

bash_completions.go:683–694

GenBashCompletion generates bash completion file and writes to the passed writer.

(w io.Writer)

// GenBashCompletion generates bash completion file and writes to the passed writer.
func (c *Command) GenBashCompletion(w io.Writer) error {
	buf := new(bytes.Buffer)
	writePreamble(buf, c.Name())
	if len(c.BashCompletionFunction) > 0 {
		buf.WriteString(c.BashCompletionFunction + "\n")
	}
	gen(buf, c)
	writePostscript(buf, c.Name())

	_, err := buf.WriteTo(w)
	return err
}

func nonCompletableFlag(flag *pflag.Flag) bool {
	return flag.Hidden || len(flag.Deprecated) > 0